National Dragster June 15, 2007 - Page 56
Don't know if this is a coincidence or what, but in the 2 page "Racer's Scrapbook", the photo history of Jeff Taylor mentiones them using a delay box in SS in 1988 when it was legal, or, at least, not outlined that it wasn't.
Locomotion Racing
http://www.geocities.com/locomotionracing